1、MIL-C-9177BIUSAFI 30 April 198-1 SUPERStDING MIL-C-9177A( USAF) 24 April 1979 MILITARY SPECIFICATION CONNECTOR, AUDIO, AIRBORNE, GENERAL SPECIFICATION FOR This specification is approved for use by the Air Force Acquisition Logistics Division, Electronic Support Division (AFALD/PTES), Gentile Air For
2、ce Station, Dayton, Ohio 45444, Department of the Air Force, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the general requirements for airborne audio connectors for use in electrical and electronic equipment. Ele
3、ctrical, mechanical, and environmental features of these connectors include: a. Environment resisting. b. RFI/EMI protection. c. Low-level circuit capabilities. d. High-cross talk resistance. 2. APPLICABLE DOCUMENTS 2.1 Issue of documents. The following documents of the issue in effect on date of in
4、vitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-W-76 - MIL-C-5898 - MIL-C-9177/1(USAF) - MIL-C-9177/2(USAF) - MIL-C-9177/3 MIL-C-9177/4 MIL-C-9177/5 MIL-C-22520 MIL-C-45662. MIL-C-55330 STANDARDS FEDERAL FED-STD
5、-H28 (USAF) - (USAF) - (USAF) - - Wire and Cablei Hookup, Electrical, Insulated. Cords, Electrical. Connector, Audio, Airborne, Plug, 4 Contact. Connector, Audio, Airborne, Plug, Miniature, 4 Contact. Connector, Audio, Airborne, Jack, Cable, 4 Contact. Connector, Audio, Airborne, Jack, Panel Mount,
6、4 Contact. Connector, Audio, Airborne, Jack, Switch, 4 Contact. Crimping Tools, Terminal, Hand or Power Actuated, Wire Termination, and Tool Kits. Calibration System Requirements. Connectors, Preparation for Delivery of. - Screw-Thread Standards for Federal Services. (Copies of specifications, stand
7、ards, drawings, and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use
8、 in improving tris document should be addressed to: Air Force Acquisition Logistics Division, Electronic Support Division (AFALDIPTES), Gentile Air Force Station, Dayton, Ohio 45444 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end I of thi
9、s document or by letter. , -. / THIS DOCUMENT CONTAINS -/g . PAGES FSC 5935 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-9177B( USAF) MILITARY MIL-STO-105 - Sampling Procedures and Tables for Inspec MIL-STD-202 - Test Methods for Electroni
10、c and Electrica Attributes. tion by 1 Component Parts. Equipment. MIL-STD-454 - Standard General Requirements for Electronic MIL-STO-1285 - Marking of E-lectrical and Electronic Parts. 3. REQUIREMENTS 3.1 Specification sheets. The individual item requirements shall be as specified herein and in acco
11、rdance with the applicable specification sheets. In the event of conflict between requirements of this specification and the specification sheets, the latter shall govern. 3.2 Classification of requirements. The requirements for the c.onnectors are classified herein as follows: Requirement Paragraph
12、 Qualification - - - - - - - - - - 3.3 3.4 Design and construction - - - - - 3.5 Performance - - - - - - - - - - - 3.6 Materials - - - - - - - - - - - - 3.3 Qualification. Connectors furnished under this specification shall be products which are qualified for listing on the applicable qualified prod
13、ucts lis at the time set for opening of bids (see 4.4 and 6.4). 3.4 Materials (see 4.6.1). The materials shall be as specified herein (see 3.1). When a definite material is not specified, a material shall be used which W enable the connector to meet the performance requirements of this specification
14、. Materials used in the construction of these connectors shall be funqus inert (see t ill requirement 4 of MIL-STD-454). Acceptance or approval of any constituent material shall not be construed as a guaranty of the acceptance of the finished product. 3.4.1 Shells. Unless otherwise specified (see 3.
15、1), shells shall be plastic or optional materials shown on the applicable specification sheet. 3.4.2 Metal parts. All metal parts shall be of corrosion-resistant material or shall be plated to resist corrosion, to permit compliance with the salt spray requirements of 3.6.12. 3.4.3 Springs. Contact s
16、prings shall be nickel-silver or copper alloy. Copper alloy springs shall be suitably plated to prevent corrosion of the base metal. 3.4.4 Insulating material. The insulating material between the contact of the connector shall be of such quality and workmanship that it does not chip, crack, or deter
17、iorate under service conditions encountered in military usage. The heat resulting from soldering a conductor to or unsoldering a conductor from the contact terminals shall not cause a reduction in contact-spring pressure, deterioration of insulation material, or loosening of any other connections th
18、at were made during the fabrication of the connector (see 6.1.1). 3.5 Design and construction (see 4.6.1). 3.5.1 Connectors. Connectors shall be of the design and construction specified (see 3.1). 3.5.2 Screw threads. Screw threads on removable or replaceable threaded parts shall be in accordance wi
19、th FED-STO-H28. 3.5.3 Solder terminals. The solder terminal for each contact shall be tinned and so shaped and located that a mechanical connection can be conveniently made with the stranded conductor of electrical cord WF-l4/U in accordance with MIL-C-5898 before the solder connection is made. The
20、exposed parts of the terminals shall be hot-tin-dipped or hot-solder-dipped to facilitate soldering. Care shall be taken Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-7277B 57 m 7777906 0022614 1 mL-C-9177B(USAF) INCHES MM .O03 .O8 .O07 .18 .
21、 .1 o .25 .O15 .38 .O29 .74 . .O33 .84 .O380 .965 .O382 .970 .O43 1 .O9 .O44 1.12 -125 3.18 .1485 3.772 INCHES .1495 .249 .251 .262 .266 .280 .282 .2885 .2895 .4385 .4395 .600 MM 3 * 797 6.32 6.38 6.65 6.76 7.11 7.16 7.328 7.353 11.138 11.163 15.24 FIGURE 1. Contact mating position test plug. Provid
22、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CURRENT GENERATOR FIGURE 2. Test circuit, plug M9177/1 (short-circuit) electromagnetic coupling. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-91778 5
23、7 W 9779906 0012616 5 I: . MIL-C-9177B(USAF) n FIGURE 3. Test circuit, plug M9177/1 (open-circuit) dielectric coupling. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-that the terminal lug holes are not closed by the solder. When solder-dipping is e
24、mployed, only noncorrosive fluxes shall be used. The size of each terminal shall be such as to accommodate two conductors of electrical cord WF-l4/U in accordance with MIL-C-5898. Bright tin plate over nickel plate on contact s.prings may be used in lieu of hot-tin-dip of terminal ends of contact sp
25、rings. Between each contact and its corresponding terminal, there shall be no connections depending solely on the mechanical pressure between metal parts for electrical continuity. There shall be no connections depending upon soft solder for mechanical strength. 3.5.4 Contact mating position. When j
26、ack and plug are mated the No. 1 jack contact shall engage the No. 1 plug contact groove in such a manner as to maintain contact between the reference plane surfaces of plug and jack (see 3.1). The points of contact between contact No. 2 and contact No. 3 of the plug and their corresponding jack con
27、tacts shall be within 0.022 inch (0.56 mm) of the plug contact centerlines. Point of contact between contact No. 4 of the plug and its corresponding jack contact shall be no closer than 0.032 inch (0.81 mm) from the insulation between plug contacts No. 3 and No. 4. 3.5.5 Crimp sle-eve (when specifie
28、d, see 3.1). Each connector shall include a crimp sleeve which is compatible with MIL -_ C 2 2520 crimpinq tools for anchorina the specified electrical cable to the frame of the jack. Anccoring shall prevent- twisting, outward movement, and inward movement of the cable. The cable retaining mechanism
29、 shall not interfere with the dressing of the conductors. Cabling instructions including applicable MIL-C-22520 tool part numbers shall be included and shall be packaged with each connector. 3.5.6 Spring attachment clip (when specified, see 3.1). The spring attachment clip shall enable the user to a
30、ttach the connector to his clothino or Darachut t harness. The spring clip assembly shall open and close without binding, and clip teeth shall mate. The teeth of the clip shall be dulled so that they do puncture or damage the clothing or parachute harness. 1 3.5.7 Anti-rotation detents (when specifi
31、ed, see 3.1). Shell halves shal designed as to prevent rotation of jack contact insert and switch. 3.6 Performance. e he not be so 3.6.1 Contact mating (when specified, see 3.1) (see figure 1). When connectors are tested as specified in 4.6.2, there shall be no discontinuity. 3.6.2 Contact resistanc
32、e. When connectors are tested as specified in 4.6.3, the contact resistance shall not exceed 0.02 ohm, except following the salt spray test, the contact resistance shall not exceed 0.10 ohm. 3.6.3 Insulation resistance. When connectors are tested as specified in 4.6.4, the insulation resistance shal
33、l be 1,000 me ohms or greater, and 100 megohms or greater after the moisture resistance test ?see 4.6.10). 3.6.4 Dielectric withstanding voltage. When tested as specified in 4.6.5, connectors shall withstand a minimum of 500 volts root mean square (rms) without dielectric breakdown or flashover. 3.6
34、.5 Insertion and withdrawal forces. When connectors are tested as specified in 4.6.6, the insertion and withdrawal forces shall be as specified (see 3.1). 3.6.6 Electromagnetic coupling (when specified) (see figure 2). When tested as specified in 4.6.7, the voltages induced into the voltmeter shall
35、not exceed the values listed below. Frequency (Hz) +5 200 1,000 5,000 10,000 Voltage (mv) 0.020 0.07 0.35 0.70 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I- - flIL-C-7177B 57 m 7777706 00126LB 7 W “1 MIL-C-91776(USAF) O 3.6.7 Dielectric coupling
36、 (when specified, see 3.1) (see figure 3). When tested in accordance with 4.6.8, the voltages induced into voltmeter (Vp) shall not exceed the values listed below. Frequency (Hz) +5 Voltage (Vp) (mv) 200 o. O20 1 , O00 0.10 5,000 0.50 10,000 1.0 3.6.8 Thermal shock. When connectors are tested as spe
37、cified in 4.6.9, the insulation shall not be cracked, warped, or delaminated; all marking shall remain legible; and it shall be possible to remove and replace screw-on shel.ls (where used) (see 3.1) without the use of tools other than a screwdriver. 3.6.9 Moisture resistance. When connectors are tes
38、ted as specified in 4.6.10, the initial insulation resistance shall be as specified in 3.6.3. Following step 6 of the final cycle, the insulation resistance shall be not less than 1 megohm. Following the drying period, the contact resistance, insulation resistance, and dielectric withstanding voltag
39、e shall be as specified in 3.6.2, 3.6.3, and 3.6.4, respectively; the insulation shall not be cracked, warped, or delaminated; there shall be no excessive corrosion (see 3.6.12) of metal parts; all marking shall remain legible; and it shall be possible to remove and replace screw-on shells (where us
40、ed) (see 3.1) without the use of tools other than a screwdriver. 3.6.10 Vibration. When connectors are tested as specified in 4.6.11, there shall be no damage or loosening of parts, loss of electrical continuity for more than a period of 1 microsecond with a current of 100 milliamperes dc, and the m
41、ating connector shall not separate from the test connector and the contact resistance shall be as specified in 3.6.2. 3.6.11 Shock (specified pulse). When connectors are tested as specified in 4.6.12, there shall be no visual evidence of mechanical damage, rupture of dielectric materials, loss of el
42、ectrical continuity for more than a period of 1 microsecond with a current of 100 milliamperes dc, or loosening of parts. 9 3.6.12 Salt spray (corrosion). When connectors are tested as specified in 4.6.13, there shall be no excessive corrosion of metal parts; the insulation shall not be cracked, war
43、ped, or delaminated; and the contact resistance shall be as specified in 3.6.2. Excessive corrosion shall be construed as any corrosion which interferes with electrical performance, or, in the case of plated metals, when the corrosive action has passed through the plating and attacked the base metal
44、 or underplate. Exposed screw threads may be protected with a suitable coating. 3.6.13 Torque (when specified, see 3.1). When connectors are tested as specified in 4.6.14, torque applied between the separate metal parts of the connector finger shall cause no damage to, or loosening of, any parts the
45、reof. 3.6.14 Controlled drop (when specified, see 3.1). When tested in accordance with 4.6.15, there shall be no damage or loosening of parts affecting performance. Local abrasion or indentation of surfaces due to load application shall not be considered damage affecting performance. Contact resista
46、nce and dielectric withstanding voltage shall be as specified in 3.6.2 and 3.6.4. 35.15 Stack assembly (when specified, see 3.1). When tested in accordance with 4.6.16, there shall be no damage or loosening-of parts affecting performance. Local abrasion or indentation of surfaces due to load applica
47、tion shall not be considered damage affecting performance. Contact resistance and dielectric withstanding voltage shall be as specified in 3.6.2 and 3.6.4. 3.6.16 Static load (when specified, see 3.1). When tested in accordance with 4.6.17, there shall be no visual evidence of mechanical damage, rup
48、ture of dielectric materials, or loosening of parts. Local abrasion or indentation of surfaces due to load application shall be considered permissible damage. 0 3.6.17 Shell impact. When tested in accordance with 4.6.18, there shall be no visual evidence of mechanical damage, rupture of dielectric m
49、aterials, and dielectric withstanding voltage shall be as specified in 3.6.4. Local abrasion or indentation of surfaces due to load application shall be considered permissible damage. 7 I I , “7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-9177B(USAF) 3.6.18 Contact spring pressure (when specified, see 3.1). 3.6.18.1 Mated connectors. When tested in accordance with 4.6.19.1, t
